html{
    background-color: #f7f2f2;
    margin: 0;
    padding: 0;
}
.box{
    width: 850px;
    height: 500px;
    margin: 50px auto;
}
.fristbox{
    width:100%;
    float: left;
    margin-top: 5px;
    background-color: rgb(122, 196, 27)
}
.sthhave{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    background-color: none
}
.smbox{
    width: 32%;
    background-color: rgb(214, 211, 16)
}
.sthhaveother{
    display: grid;
    grid-template-columns: 1fr 4fr 1fr
}
.beside{
    width: 50px;
    height: 50px;
    position: fixed;
    z-index: 1;
    bottom: 100px;
    right: 0;
    background-color: black;
    color: rgb(61, 0, 231)
}